显示 1-30 共 146 条结果 关于 "GF01904015"
Arthur J Ragauskas et al.
Science (New York, N.Y.), 344(6185), 1246843-1246843 (2014-05-17)
Research and development activities directed toward commercial production of cellulosic ethanol have created the opportunity to dramatically increase the transformation of lignin to value-added products. Here, we highlight recent advances in this lignin valorization effort. Discovery of genetic variants in...
National Academy of Sciences report--an evaluation of activated carbon for drinking water treatment.
I H Suffet
Journal of environmental pathology, toxicology and oncology : official organ of the International Society for Environmental Toxicology and Cancer, 7(7-8), 9-32 (1987-09-01)
Nuno Carvalhais et al.
Nature, 514(7521), 213-217 (2014-09-26)
The response of the terrestrial carbon cycle to climate change is among the largest uncertainties affecting future climate change projections. The feedback between the terrestrial carbon cycle and climate is partly determined by changes in the turnover time of carbon...
Tek Long Chan et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 19(47), 15802-15814 (2013-10-30)
Transition-metal-free cross-coupling reactions have been a hot topic in recent years. With the aid of a radical initiator, a number of unactivated arene C-H bonds can be directly arylated/functionalized by using aryl halides through homolytic aromatic substitution. Commercially available or...
Mattias Johansson et al.
Journal of the National Cancer Institute, 106(12), doi:10-doi:10 (2014-11-08)
The etiology of renal cell carcinoma (RCC) is only partially understood, but a metabolic component appears likely. We investigated biomarkers of one-carbon metabolism and RCC onset and survival. The European Prospective Investigation into Cancer and Nutrition (EPIC) recruited 385747 participants...
Zhong Huang et al.
Journal of nanoscience and nanotechnology, 14(6), 4156-4163 (2014-04-18)
TiO2 photonic crystal photocatalyst with inverse opal structure were first prepared from self-assembled polystyrene spheres template, and then carbon quantum dots (CQDs) was coupled with TiO2 inverse opal through a facile electrodeposition method. The obtained CQDs/TiO2 complex photocatalysts exhibit enhanced...
Chi-Jung Su et al.
Journal of nanoscience and nanotechnology, 14(6), 4201-4206 (2014-04-18)
Carbon nanofibers (CNFs) have wide applications in energy storage devices, electrically conducting composites, selective adsorbents, and catalyst supports. Catalytic chemical vapor deposition was carried out in this work to synthesize CNFs at mild temperatures of 700 and 800 degrees C....
Rahul Banerjee et al.
Nature, 518(7539), 431-434 (2015-01-22)
Methane monooxygenase (MMO) catalyses the O2-dependent conversion of methane to methanol in methanotrophic bacteria, thereby preventing the atmospheric egress of approximately one billion tons of this potent greenhouse gas annually. The key reaction cycle intermediate of the soluble form of...
O Thomas et al.
Chemosphere, 107, 115-120 (2014-05-31)
A strong non linear relationship between nitrate and organic matter (assessed by dissolved organic carbon, DOC) has been recently demonstrated by Taylor and Townsend (2010), namely for freshwaters. In this context, our study explores this relation from the behavior of...
Yafeng Wang et al.
Ambio, 43(7), 926-931 (2014-04-04)
Check-dams are the most common structures for controlling soil erosion in the Loess Plateau. However, the effect of check-dams on carbon sequestration, along with sediment transport and deposition, has not been assessed over large areas. In this study, we evaluated...
Meng Zhang et al.
Environmental pollution (Barking, Essex : 1987), 195, 84-90 (2014-09-10)
Biochars from nitrogen-rich biomaterials (i.e., α-amylase, chitin and zein) were produced at different temperatures (i.e. 170, 250, 350 and 450 °C) and characterized, and their sorption for phenanthrene, naphthalene and 1-naphthol was investigated. The organic carbon content normalized-sorption coefficient (Koc) of...
Timothy H Tran et al.
Nature, 518(7537), 120-124 (2014-11-11)
Biotin-dependent carboxylases are widely distributed in nature and have important functions in the metabolism of fatty acids, amino acids, carbohydrates, cholesterol and other compounds. Defective mutations in several of these enzymes have been linked to serious metabolic diseases in humans...
Suhas et al.
Bioresource technology, 98(12), 2301-2312 (2006-10-24)
The present review compiles the work done over the last few decades on the use of lignin and lignin-based chars and activated carbons as adsorbents for the removal of substances from water and focuses on the utilisation of lignin as...
Ying Zhang et al.
Ecotoxicology and environmental safety, 108, 273-280 (2014-08-12)
The impacts of fluopyram on a soil microbial community were studied at three application rates: at the recommended field rate (T1, 0.5mg/kg soil), three-fold recommended field rate (T3, 1.5mg/kg soil) and ten-fold recommended field rate (T10, 5mg/kg soil). Soil samples...
Dam reservoirs role in carbon dynamics requires contextual landscape ecohydrology.
Ivan Bergier et al.
Environmental monitoring and assessment, 186(10), 5985-5988 (2014-05-27)
Tuija Mattsson et al.
The Science of the total environment, 508, 145-154 (2015-01-06)
Climate change scenarios for northern boreal regions indicate that there will be increasing temperature and precipitation, and the changes are expected to be larger in winter than in summer. These precipitation and discharge patterns, coupled with shorter ice cover/soil frost...
Sebastian Schnell et al.
Environmental monitoring and assessment, 187(1), 4197-4197 (2014-12-18)
In contrast to forest trees, trees outside forests (TOF) often are not included in the national monitoring of tree resources. Consequently, data about this particular resource is rare, and available information is typically fragmented across the different institutions and stakeholders...
K Suresh Kumar Reddy et al.
Environmental technology, 35(1-4), 18-26 (2014-03-08)
The presence of elemental mercury in wellhead natural gas is an important industrial problem, since even low levels of mercury can damage cryogenic aluminium heat exchangers and other plant equipment. Mercury present in the natural gas stream will also dramatically...
Gregory R Wagner et al.
Molecular cell, 54(1), 5-16 (2014-04-15)
Cellular proteins are decorated with a wide range of acetyl and other acyl modifications. Many studies have demonstrated regulation of site-specific acetylation by acetyltransferases and deacetylases. Acylation is emerging as a new type of lysine modification, but less is known...
Nan Xu et al.
Gene, 554(2), 140-147 (2014-12-03)
Lactobacillus casei LC2W is a recently isolated probiotic lactic acid bacterial strain, which is widely used in the dairy and pharmaceutical industries and in clinical medicine. The first genome-scale metabolic model for L. casei, composed of 846 genes, 969 metabolic...
Farhana Mohamed et al.
Water environment research : a research publication of the Water Environment Federation, 86(7), 594-605 (2014-08-13)
This research study was undertaken to enhance the efficiency and economy of carbon scrubbers in controlling odors and volatile organic compounds (VOCs) at the wastewater collection and treatment facilities of the Bureau of Sanitation, City of Los Angeles. The butane...
Murugesh Padmanarayana et al.
Biochemistry, 53(30), 5023-5033 (2014-07-08)
Otoferlin is a transmembrane protein consisting of six C2 domains, proposed to act as a calcium sensor for exocytosis. Although otoferlin is believed to bind calcium and lipids, the lipid specificity and identity of the calcium binding domains are controversial....
Deivasigamani Ranjith Kumar et al.
Journal of nanoscience and nanotechnology, 14(7), 5059-5069 (2014-04-25)
Iron oxide (Fe3O4) nanoparticles are prepared by nucleation method using oleylamine (OLA) as the capping agent. The OLA capped Fe3O4 nanoparticles (OLA-Fe3O4) are characterized by Fourier Transform Infrared (FT-IR) spectroscopy, X-ray Diffraction (XRD) and High Resolution Transmission Electron Microscopic (HRTEM)...
Chuanwei Hou et al.
Organic letters, 16(19), 5040-5043 (2014-09-18)
A novel and direct synthesis of various 2-aminobenzo[b]thiophenes has been developed. The reactions were catalyzed by a combination of Pd(dppf)Cl2 and dppf using odorless and cheap Na2S2O3 as the sulfur source. This strategy allowed us to synthesize important 2-aminobenzo[b]thiophene scaffold...
Pranav K Tripathi et al.
Journal of nanoscience and nanotechnology, 14(2), 1823-1837 (2014-04-23)
The transportation and diffusion of the guest objects or molecules in the porous carbon nanomaterials can be facilitated by reducing the pathway and resistance. The reduced pathway depends on the porous nature of carbon nanomaterials. Classification of porous carbon materials...
Satish C Kalhan
Nestle Nutrition Institute workshop series, 74, 127-138 (2013-07-28)
One-carbon metabolism, or methyl transfer, is critical for metabolism in all cells, is involved in the synthesis of purines, pyrimidines, in the methylation of numerous substrates, proteins, DNA and RNA, and in the expression of a number of genes. Serine...
Kimberly T Barrett et al.
Nature, 509(7498), 71-75 (2014-04-22)
One of the most well-recognized stereogenic elements in a chiral molecule is an sp(3)-hybridized carbon atom that is connected to four different substituents. Axes of chirality can also exist about bonds with hindered barriers of rotation; molecules containing such axes...
Ivar Zekker et al.
Environmental technology, 35(9-12), 1565-1576 (2014-04-08)
Maintaining stability of low concentration (< 1 g L(-1)) floccular biomass in the nitritation-anaerobic ammonium oxidation (anammox) process in the sequencing batch reactor (SBR) system for the treatment of high COD (> 15,000 mg O2 L(-1)) to N (1680 mg...
P Sensai et al.
Environmental technology, 35(17-20), 2569-2574 (2014-08-26)
Anaerobic co-digestion of high solids containing distillers grains and swine manure (total solids, 27 +/- 2% and 18 +/- 2%, respectively) was evaluated in this study to assess the effect of C/N ratio and organic loading rate (OLR). Feed mixture...
Wang Qi et al.
Journal of water and health, 12(4), 736-746 (2014-12-05)
The presence of organic compounds in water sources is one of the concerns in water treatment. They are potential precursors of disinfection byproducts (DBPs) and thus induce health problems in humans. Among the emerging DBPs, carcinogenic compound N-nitrosodimethylamine (NDMA) has...


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